This step-down regulator was found in the December 1985 issue of Radio Electronics magazine. The circuit has an input voltage of 25V.
This oscillator was found in a 1976 documentation. The no specified components indicate circuit...
This circuit activates a buzzer when the voltage applied to the input falls below a preset value in...
This protector was found in an Electronics Now from the 90s. The 250 V transient suppressors are common...